- alias - create names or abbreviations for commands
- apropos - search the manual page names and descriptions
- at [man page] - queue, examine or delete jobs for later execution
- bc [man page] - An arbitrary precision calculator language
- cal - displays a calendar
- cat [man page] - concatenate files and print on the standard output
- cd - change directory
- chgrp [man page] - change group ownership
- chmod [man page] - change file access permissions
- cksum [man page] - checksum and count the bytes in a file
- cp [man page] - copy files and directories
- csplit [man page] - split a file into sections determined by context lines
- date [man page] - print or set the system date and time
- dd [man page] - convert and copy a file
- du [man page] - estimate file space usage
- egrep [man page] - print lines matching a pattern
- export - set an environment variable
- fgrep [man page] - print lines matching a pattern
- find [man page] - search for files in a directory hierarchy
- fold [man page] - wrap each input line to fit in specified width
- grep [man page] - print lines matching a pattern
H
- head [man page] - output the first part of files
- join [man page] - join lines of two files on a common field
- logrotate [man page] - rotates, compresses, and mails system logs
- ls [man page] - list directory contents
- mkdir [man page] - make directories
- mv [man page] - move (rename) files
- mount [man page] - mount a file system
- nl [man page] - number lines of files
- od [man page] - dump files in octal and other formats
- pwd [man page] - print name of current/working directory
- rgrep [man page] - print lines matching a pattern
- rm [man page] - remove files or directories
T
- tail [man page] - output the last part of files
- tar [man page] - The GNU version of the tar archiving utility
- tee [man page] - read from standard input and write to standard output and files
- time [man page] - run programs and summarize system resource usage
- touch [man page] - change file timestamps
- vim - Vi IMproved, a programmers text editor
- watch [man page] - execute a program periodically, showing output fullscreen
- wc [man page] - print newline, word, and byte counts for each file
- whoami [man page] - print effective userid
· yes [man page] - output a string repeatedly until killed
